HG/T 20592  法兰盖 BL 500-10 RFFr1750165 Sch8131.00.

BL500-10RFFr1750165 Sch8131.00.

wn300(b)-25 ff M=6s=n166 S=9 H1= RF400

PL 50(B)-10 RF

WN 65(B)-25 RF d=120 S=3=148.3=

SO 65(B)-10 G0t2RF -166PL80S80Sch4

2 G 900-2.520R

wn150-300 Rj6 FM D=440 K=400 L=23 n=

PL50(A)-150 RFFF6F H=2290D=F--8655.

BL150-600